<?php

function RSA(){
	$rsa = new COM("Chilkat.Rsa");

	$success = $rsa->UnlockComponent('Anything for 30-day trial');
	if ($success != true) {
		print 'RSA component unlock failed' . "\n";
		exit;
	}

	//  RSA public key in XML format:
	$publicKey = '<RSAKeyValue><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>';

	$rsa->ImportPublicKey($publicKey);

	//  To use Optimal Asymmetric Encryption Padding (OAEP) padding,
	//  simply set the OaepPadding property:
	$rsa->OaepPadding = true;

	//  Encrypt a string and return the encrypted data base64-encoded:
	$rsa->EncodingMode = 'base64';

	$plainText = 'RSA Encryption should be easy.';

	$usePrivateKey = false;
	$encryptedStr = $rsa->encryptStringENC($plainText,$usePrivateKey);
	print $encryptedStr . "\n";
}

